When Jane drives to work, she always places her purse on the passenger's seat. By the time she gets to work her purse has fallen on the floor in front of the seat. Explain which law of motion causes this happen

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.